About Sumo
Sumo is an Australian-owned retailer, established in 2014 with its head office in Melbourne.
Sumo publishes residential plans in NSW, Victoria, south-east Queensland and South Australia, including plans with seasonal pricing. Its flat plans regularly appear among the cheapest in our network rankings.
Sumo prices in each network
Electricity prices depend on your network, so the same retailer charges different amounts in different areas. The table shows Sumo's cheapest flat-rate plan open to any household in each network, priced at 4,000 kWh a year, against the regulated reference price for that network.
| Network | Plan | A year | Reference | Difference |
|---|---|---|---|---|
| AusgridNSW | Sumo Winter Saver | $1,513 | $1,932 | 22% below |
| Endeavour EnergyNSW | Sumo Winter Saver | $1,551 | $2,025 | 23% below |
| Essential EnergyNSW | Sumo Winter Saver | $1,874 | $2,394 | 22% below |
| EnergexQLD | Sumo Queenslander | $1,554 | $1,820 | 15% below |
| SA Power NetworksSA | Sumo Stobie | $1,997 | $2,334 | 14% below |
| AusNet ServicesVIC | Sumo Sunrise Plus | $1,424 | $1,747 | 18% below |
| CitiPowerVIC | Sumo Sunrise Plus | $1,126 | $1,481 | 24% below |
| JemenaVIC | Sumo Sunrise Plus | $1,206 | $1,563 | 23% below |
| PowercorVIC | Sumo Sunrise Plus | $1,256 | $1,633 | 23% below |
| United EnergyVIC | Sumo Sunrise Plus | $1,140 | $1,529 | 25% below |
What it costs at low, medium and high usage
| Usage a year | Sumo | Reference | Difference |
|---|---|---|---|
| 2,500 kWh | $1,390 | $1,869 | 26% below |
| 4,000 kWh | $1,874 | $2,394 | 22% below |
| 6,500 kWh | $2,681 | $3,269 | 18% below |
| Usage a year | Sumo | Reference | Difference |
|---|---|---|---|
| 2,500 kWh | $1,126 | $1,400 | 20% below |
| 4,000 kWh | $1,554 | $1,820 | 15% below |
| 6,500 kWh | $2,266 | $2,519 | 10% below |
Compare these with your own bill using the kWh you used over a year. Our average bills page shows typical usage for each state.
Sumo's plan range
| Plan feature | Plans |
|---|---|
| Flat rate (single rate) | 107 |
| Time of use | 223 |
| Demand charge | 77 |
| With controlled load | 217 |
| Fixed price | 0 |
| Solar Sharer free midday power | 14 |
| Guaranteed discount | 0 |
| Conditional discount | 72 |
| Restricted eligibility | 0 |
Some Sumo plans carry a conditional discount, with the condition set out in the plan fact sheet. Our pay-on-time discount guide explains what missing a condition can cost.
Solar, GreenPower and fees
- Solar feed-in tariff: from 0c up to 8.8c per kWh across its plans. See feed-in tariffs by state.
- GreenPower: no per-kWh GreenPower option listed in its plan data. See green energy.
- Late payment fee: none listed.
- Paper bill fee: none listed.
- Ways to pay: Paper bill, Direct debit, BPAY, Credit card, Other methods.
How Sumo compares
Questions about Sumo
In Victoria, Queensland, New South Wales and South Australia, across 10 electricity networks. It published 330 residential electricity plans to Energy Made Easy as at 14 October 2026.
In the Essential Energy network, Sumo's cheapest generally available flat-rate plan, Sumo Winter Saver, works out at about $1,874 a year for 4,000 kWh, including GST and guaranteed discounts. That is 22% below the Default Market Offer of $2,394.
Yes. Across its published plans, Sumo's retailer feed-in tariffs range up to 8.8c per kWh. The rate depends on the plan and network, so check the fact sheet for the plan you choose.
None of its published residential plans listed a late payment fee when we checked.
Sources
Every rate on this page comes from the regulator or the regulated retailer. Last checked 14 October 2026. Prices include GST unless we say otherwise.